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Weather in San Marcos, TX
67°
San Marcos, Sunday, 18 October, 11:52
Clear. Feels like 65°. High 71°, low 46°.
Pressure30.36 inHg
Wind5.7 mph E 
Humidity46%
Visibility6.2 mi
Dew point46°
Sun, 18October71°/46°
71°/46°Mon, 19October
74°/53°
74°/53°Tue, 20October78°/55°
78°/55°Wed, 21October81°/55°
81°/55°Thu, 22October82°/58°
82°/58°Fri, 23October81°/59°
81°/59°Sat, 24October
86°/63°
86°/63° | 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | | | | | | |  | | | | | |
| Temperature | 70° | 55° | 51° | 46° | 53° | 60° | 66° | 70° | 71° | 69° | 60° | 58° |
| Feels like | 70° | 53° | 48° | 44° | 51° | 58° | 65° | 68° | 70° | 67° | 58° | 56° |
Pressure, inHg  | 30.36 | 30.36 | 30.36 | 30.36 | 30.36 | 30.36 | 30.36 | 30.33 | 30.27 | 30.21 | 30.24 | 30.24 |
| Wind, mph | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 1.4 | 1.1 | 0.8 | 0.9 | 0.5 |
Humidity, %  | 43% | 43% | 43% | 43% | 43% | 43% | 43% | 41% | 38% | 40% | 54% | 58% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 57° | 56° | 55° | 53° | 55° | 65° | 71° | 73° | 74° | 72° | 61° | 57° |
| Feels like | 55° | 55° | 53° | 51° | 53° | 63° | 70° | 72° | 73° | 71° | 60° | 56° |
| Pressure, inHg | 30.27 | 30.24 | 30.24 | 30.21 | 30.24 | 30.27 | 30.27 | 30.21 | 30.15 | 30.12 | 30.12 | 30.15 |
| Wind, mph | 0.2 | 1.3 | 1.4 | 1 | 1.1 | 1 | 2.1 | 1.5 | 1.4 | 1 | 1.5 | 1.7 |
| Humidity, % | 60% | 65% | 68% | 71% | 72% | 54% | 42% | 40% | 39% | 42% | 58% | 64% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 56° | 59° | 58° | 56° | 55° | 67° | 73° | 77° | 78° | 76° | 67° | 64° |
| Feels like | 54° | 58° | 57° | 56° | 55° | 66° | 72° | 76° | 77° | 75° | 65° | 62° |
| Pressure, inHg | 30.18 | 30.18 | 30.18 | 30.18 | 30.21 | 30.24 | 30.24 | 30.18 | 30.12 | 30.12 | 30.12 | 30.18 |
| Wind, mph | 2.5 | 2.4 | 1.4 | 0.9 | 1.4 | 1.6 | 2 | 2.1 | 2.2 | 1.7 | 2.6 | 1.9 |
| Humidity, % | 68% | 75% | 82% | 85% | 86% | 60% | 43% | 38% | 34% | 37% | 43% | 44% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 61° | 58° | 57° | 55° | 55° | 68° | 76° | 80° | 81° | 77° | 69° | 65° |
| Feels like | 59° | 56° | 55° | 53° | 53° | 67° | 75° | 80° | 79° | 76° | 67° | 64° |
| Pressure, inHg | 30.18 | 30.18 | 30.15 | 30.15 | 30.18 | 30.21 | 30.21 | 30.15 | 30.12 | 30.12 | 30.12 | 30.15 |
| Wind, mph | 1.9 | 1.4 | 1.5 | 2.1 | 2.6 | 2.1 | 2.1 | 1.2 | 1.4 | 1.6 | 2.2 | 2.5 |
| Humidity, % | 45% | 54% | 57% | 61% | 64% | 48% | 35% | 29% | 24% | 31% | 39% | 47% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 63° | 61° | 59° | 58° | 62° | 70° | 76° | 78° | 76° | 74° | 73° | 71° |
| Feels like | 62° | 60° | 58° | 57° | 61° | 69° | 75° | 78° | 76° | 74° | 73° | 71° |
| Pressure, inHg | 30.15 | 30.15 | 30.15 | 30.15 | 30.18 | 30.21 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 |
| Wind, mph | 1.7 | 1.2 | 1.2 | 1.1 | 0.9 | 0.4 | 0.5 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| Humidity, % | 54% | 60% | 64% | 67% | 63% | 52% | 52% | 52% | 52% | 52% | 52% | 52% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 78° | 68° | 64° | 59° | 64° | 70° | 75° | 78° | 76° | 74° | 73° | 72° |
| Feels like | 78° | 67° | 63° | 59° | 64° | 69° | 75° | 77° | 75° | 74° | 73° | 71° |
| Pressure, inHg | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 |
| Wind, mph | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 |
| Humidity, % | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 83° | 69° | 66° | 63° | 68° | 74° | 80° | 82° | 81° | 80° | 78° | 76° |
| Feels like | 83° | 69° | 66° | 63° | 68° | 74° | 79° | 82° | 81° | 80° | 78° | 75° |
| Pressure, inHg | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 |
| Wind, mph | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| Humidity, % | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% | 41% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 11 h 23 min
Sunrise — 07:35
Sunset — 18:58
Sunrise and sunset in local time
First quarter, 49%
Sunrise — —
Sunset — —
Weather history
Temperature extremes over 66 years
October 18 temperatures in San Marcos, TX over 66 years
high: 90.1° (2025)low: 48.6° (1999)
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